How are general election notional results calculated after boundary changes?
by Matthew George
Jan 16, 2024
2 minutes
Working out the electoral impact at the next general election of extensive boundary changes for constituencies has required a series of complex calculations based on previous polling days.
The amount a constituency is altered by the boundary revisions is measured by the index of change, which ranges from none to more than 100, in cases such as the new Bristol North East seat.
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